ROCKY MOUNTAIN HYDROELECTRIC PLANT
OperatingHydro power plant
- Capacity
- 848 MW
- Primary fuel
- Hydro
- County
- Floyd County
- Operator
- OGLETHORPE POWER CORPORATION
- Status
- Operating
- Commissioned
- 1995
- EIA plant ID
- 6189
- Coordinates
- 34.3555, -85.3039
ROCKY MOUNTAIN HYDROELECTRIC PLANT, an 848 MW Hydro power plant in Floyd County, Georgia. Operated by OGLETHORPE POWER CORPORATION, commissioned 1995.
Weather peril exposure
ROCKY MOUNTAIN HYDROELECTRIC PLANT is an 848 MW hydro power plant in Floyd County, GA, operated by OGLETHORPE POWER CORPORATION, commissioned in 1995. Floyd County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.8 of 5 at the 46th national percentile. Tornado is the leading peril, rated Relatively High by FEMA at the 83rd percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a hydro plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Floyd County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Tornado | Relatively High | 83rd | 4.3 of 5 | 0.38 |
| Earthquake | Relatively Low | 79th | 4.2 of 5 | <0.01 |
| Lightning | Relatively Moderate | 79th | 4.1 of 5 | 61.8 |
| Strong wind | Relatively High | 73rd | 3.9 of 5 | 3.6 |
| Wildfire | Relatively Low | 61st | 3.4 of 5 | <0.01 |
| Hail | Relatively Moderate | 53rd | 3.1 of 5 | 5.4 |
| Hurricane | Relatively Low | 52nd | 3.1 of 5 | 0.03 |
| Riverine flooding | Relatively Moderate | 50th | 3.0 of 5 | 1.2 |
| Ice storm | Relatively Moderate | 48th | 2.9 of 5 | 0.57 |
| Heat wave | Relatively Low | 17th | 1.7 of 5 | 2.1 |
| Winter weather | Very Low | 10th | 1.4 of 5 | 4.0 |
Perils not assessed in Floyd County
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Floyd County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.